Joseph R. Wiegner

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Ballwin, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Automated microbial analyzer
- Patent number 4,118,280
- Issue date Oct 3, 1978
- McDonnell Douglas Corporation
- Ronald A. Charles
- G01 - MEASURING TESTING
Information Patent Grant
Machine and process for reading cards containing medical specimens
- Patent number 4,116,775
- Issue date Sep 26, 1978
- McDonnell Douglas Corporation
- Ronald A. Charles
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...